Durable copper construction: Made from sturdy metal (copper) for longlasting protection of your birdhouse entrance and overall structure. Built to withstand repeated use and help extend the life of the nest site. Protects birds and nests: The cover shields the entrance hole from damage and intrusion, helping keep nesting birds and their young safer. Smooth, birdsafe finish: Finely crafted with smooth, rounded edges to prevent injury to birds and to avoid snagging nesting material. Simple, timesaving installation: Ships with screws and hardware so the protector can be mounted quickly and securely, saving installation time and effort. Practical function and compatibility: Designed to be used on birdhouses as a hole/entrance protector. Provides a metal barrier that preserves the integrity of the entrance opening and reduces damage from pecking or wear. Use scenarios: Install on a or existing birdhouse entrance to protect against wear and preserve the original hole shape. Retrofit an aging birdhouse where the entrance has begun to enlarge or fray to restore a safer nesting opening. Add protection during nesting season to reduce damage to the entrance and help maintain a stable nesting environment. What makes it stand out: Copper metal material for sturdy, longterm performance. Carefully finished edges that prioritize bird safety. Includes screws and hardware for fast, hassle installation. Contents: copper entrance protector and included screws/hardware for mounting.